LTM4603 LINER [Linear Technology], LTM4603 Datasheet
LTM4603
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LTM4603 Summary of contents
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Features Single Inductor Architecture Allows V n Below or Equal to V OUT Wide V Range: 4.5V to 36V n IN Wide V Range: 0.8V to 34V n OUT (10A DC in Buck Mode) n OUT ...
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LTM4609 absolute MaxiMuM ratings (Note 1) V ............................................................. –0.3V to 36V IN V ............................................................. 0.8V to 36V OUT INTV , EXTV , RUN, SS, PGOOD .............. –0. SW1, SW2 (Note 7) ...................................... –5V to 36V V ...
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T SYMBOL PARAMETER Input Specifications V Input DC Voltage IN(DC) V Undervoltage Lockout Threshold IN(UVLO) I Input Supply Bias Current Q(VIN) Normal Standby Shutdown Supply Current Output Specifications I Output ...
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LTM4609 electrical characteristics temperature range (Note 2), otherwise specifications are at T SYMBOL PARAMETER f Highest Frequency HIGH R PLLIN Input Resistance PLLIN I Phase Detector Output Current PLLFLTR Control Section V Feedback Reference Voltage FB V RUN Pin ON/OFF ...
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Efficiency vs Load Current 6V to 12V IN OUT 100 BURST 10 DCM CCM 0 0.01 0.1 1 LOAD CURRENT (A) 4609 G01 Efficiency vs Load Current 3.3µH Inductor ...
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LTM4609 typical perForMance characteristics Transient Response from 32V to 12V IN OUT I OUT 2A/DIV V OUT 100mV/DIV 4609 G10 200µs/DIV LOAD STEP CCM OUTPUT CAPS: 4x 22µF CERAMIC CAPS AND 2x 180µF ELECTROLYTIC CAPS 2x ...
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Functions V (Bank 1): Power Input Pins. Apply input voltage be- IN tween these pins and PGND pins. Recommend placing input decoupling capacitance directly between V and PGND pins. V (Bank 5): Power Output Pins. Apply output load OUT ...
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LTM4609 siMpliFieD block DiagraM EXTV CC INTV CC PGOOD RUN ON/OFF STBYMD 0.1µF COMP SS SS 0.1µF PLLIN PLLFLTR FCB 1000pF SGND TO PGND PLANE AS SHOWN IN FIGURE 15 Decoupling requireMents SYMBOL PARAMETER C External Input Capacitor Requirement IN ...
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Power Module Description The LTM4609 is a non-isolated buck-boost DC/DC power supply. It can deliver a wide range output voltage from 0.8V to 34V over a wide input range from 4.5V to 36V, by only adding the sensing resistor, ...
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LTM4609 applications inForMation phase-locked loop comprised of an internal voltage con- trolled oscillator and a phase detector. This allows turning on the internal top MOSFET for locking to the rising edge of the external clock. A pulse detection circuit is ...
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This makes it advisable to properly derate the input capaci- tor, or choose a capacitor rated at a higher temperature than required. Always contact the capacitor manufacturer for derating requirements. Output Capacitors In boost mode, the discontinuous current ...
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LTM4609 applications inForMation In buck mode, the allowed maximum average load cur- rent is: ΔI 130mV OUT(MAX,BUCK SENSE The maximum current sensing R SENSE mode is SENSE(MAX,BOOST) 2 • 160mV • V ...
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If the pin is left open or decoupled with a capacitor to ground, the SS pin is internally provided with a starting current, permitting external control for turning on the controller. If ...
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LTM4609 applications inForMation To choose a proper inductor, we need to know the current ripple at different input voltages. The inductor should be chosen by considering the worst case in the practi- cal operating region. If the maximum output power ...
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V = 12V OUT ƒ = 400kHz 1.5µH 0.6 2.5µH 0.4 3.3µH 4.7µH 0 INPUT VOLTAGE V IN Figure 4. Current Ripple Ratio at Different Inputs for Boost Mode Figure 4 ...
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LTM4609 applications inForMation Table 3. Typical Components (ƒ = 400kHz) C VENDORS PART NUMBER OUT1 TDK C4532X7R1E226M (22µF , 25V) INDUCTOR VENDORS PART NUMBER Toko FDA1254 Sumida CDEP134, CDEP145, CDEP147 OUT SENSE (V) (V) (0.5W RATING) ...
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Table 3. Typical Components (ƒ = 400kHz) Continued OUT SENSE (V) (V) (0.5W RATING × 16mΩ 0. × 14mΩ 0. × 12mΩ 0. ...
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LTM4609 typical applications 3.0 2.5 2.0 1.5 1.0 0 16V WITH 0LFM IN OUT 5V TO 16V WITH 200LFM IN OUT 5V TO 16V WITH 400LFM IN OUT AMBIENT TEMPERATURE ...
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AMBIENT TEMPERATURE (°C) 36V TO 20V WITH 0LFM IN OUT 36V TO 20V WITH 200LFM IN OUT 36V TO 20V WITH 400LFM IN ...
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LTM4609 applications inForMation Layout Checklist/Example The high integration of LTM4609 makes the PCB board layout very simple and easy. However, to optimize its electri- cal and thermal performance, some layout considerations are still necessary. • Use large PCB copper areas for high current path, includ- ing ...
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V IN 12V TO 36V R1 1. 12V R1 1. Figure 17. Boost Mode Operation with 5V to 12V Input with Low Switching Noise (Optional) CLOCK SYNC 10µF 50V V ...
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LTM4609 typical applications 36V R1 1. Figure 18. Wide Input Mode with 5V to 36V Input, 12V at 4A Output 36V R1 1. CLOCK SYNC 10µF 50V ...
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36V LTC6908-1 5.1V C1 ZENER 0.1µ OUT1 R4 GND OUT2 324k SET MOD 2-PHASE OSCILLATOR 10µ 50V IN PGOOD 100k RUN LTM4609 COMP 200Ω INTV CC 5.1V PLLFLTR EXTV CC ...
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LTM4609 package Description Please refer to http://www.linear.com/designtools/packaging/ 24 for the most recent package drawings bbb 6.9850 5.7150 4.4450 3.1750 1.9050 0.6350 0.0000 0.6350 1.9050 3.1750 4.4450 5.7150 6.9850 Z aaa 4609fc ...
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Description Please refer to http://www.linear.com/designtools/packaging/ for the most recent package drawings. Z bbb // 6.9850 5.7150 4.4450 3.1750 1.9050 0.6350 0.0000 0.6350 1.9050 3.1750 4.4450 5.7150 6.9850 Z aaa LTM4609 4609fc 25 ...
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LTM4609 package Description PIN NAME FUNCTION PIN NAME FUNCTION PIN NAME FUNCTION PIN NAME FUNCTION PIN NAME FUNCTION PIN NAME FUNCTION A1 PGND C1 PGND A2 PGND C2 PGND A3 PGND C3 PGND + A4 SENSE C4 PGND – A5 ...
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Rev B) REV DATE DESCRIPTION B 10/10 MP-grade part added. Reflected throughout the data sheet. C 03/12 Added the BGA Package option and updated the Typical Application. Updated the Pin Configuration and Order Information ...
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... COMMENTS Synchronous Operation; Single Inductor, 4V ≤ V Synchronous SENSE Synchronizable, PolyPhase Sensing Synchronizable, PolyPhase Operation, LTM4603-1 Version Has No Remote Sensing, Pin Compatible with the LTM4601 2.375V ≤ V ≤ 5.5V, 0.8V ≤ Pin Compatible with LTM4609, Lower Voltage Versions of the LTM4609 Low EMI, LTM4606 Verified by Xilinx to Power Rocket IO™, CISPR22 Compliant 2.7V ≤ ...